Implementation of Social Media Analytics to my website

General information for the website: Marketing Company
Kind of development: Customization of existing website
Description of requirements/features: Hello, I own a marketing start-up and I am interested in enhancing the already available features. I am looking for an expert, who is able to implement analytics to my website, which the clients will use for clarity and transparency on their part.
The idea is to offer each client the ability to track their Social Media accounts including impressions, engagement (likes, comments, followers) and etc. This service will be offered to clients who have purchased the full Social Media package!
Extra notes: If the developer is good, it can be offered full website development!